Kevin Conroy
Batman (voice) (26 eps)
George Newbern
Superman (voice) (26 eps)
Susan Eisenberg
Wonder Woman (voice) (26 eps)
Phil LaMarr
Green Lantern (voice) (26 eps)
Carl Lumbly
J'onn J'onzz (voice) (26 eps)
Michael Rosenbaum
The Flash (voice) (26 eps)
Maria Canals-Barrera
Hawkgirl (voice) (26 eps)
Mark Hamill
The Joker / Customer (voice) (6 eps)
Clancy Brown
Lex Luthor (voice) (6 eps)
Jennifer Hale
Inza Nelson (voice) (6 eps)
Ron Perlman
Orion (voice) (4 eps)
Corey Burton
Brainiac / Forager (voice) (4 eps)
Jason Marsden
Snapper Carr (voice) (4 eps)
Phil Morris
Vandal Savage (voice) (3 eps)
Brian George
Parasite / Rudy Jones / Morgan Edge / Reporter (voice) (3 eps)
Dana Delany
Lois Lane (voice) (3 eps)
Richard Doyle
Big Brother Hawk / Thanagarian Soldier (voice) (3 eps)
Efrem Zimbalist Jr.
Alfred Pennyworth (voice) (3 eps)
Victor Rivers
Hro Talak (voice) (3 eps)
Hector Elizondo
Lt. Kragger (voice) (3 eps)
Elizabeth Peña
Paran Dul (voice) (3 eps)
Michael Ironside
Darkseid (voice) (2 eps)
Rob Paulsen
Lightray / Helmsman (voice) (2 eps)
Mitchell Ryan
Highfather (voice) (2 eps)
Tracey Walter
Mophir (voice) (2 eps)
Enrico Colantoni
Glorious Gordon Godfrey (voice) (2 eps)
Brian Doyle-Murray
Artie Bauman (voice) (2 eps)
Bruce McGill
General McCormick (voice) (2 eps)
Ashley Edner
Jennifer (voice) (2 eps)
Michael Dorn
Kalibak (voice) (2 eps)
Scott Rummell
Aquaman / Arthur Curry (voice) (2 eps)
Oded Fehr
Dr. Fate / Kent Nelson (voice) (2 eps)
Kristin Bauer van Straten
Mera (voice) (2 eps)
Robert Picardo
Amazo (voice) (2 eps)
Lisa Edelstein Russell
Mercy Graves (voice) (2 eps)
Tara Strong
Sera (voice) (2 eps)
Masasa Moyo
Beautiful Woman (voice) (2 eps)
Powers Boothe
Gorilla Grodd (voice) (2 eps)
Ted Levine
Sinestro (voice) (2 eps)
Stephen McHattie
The Shade / Richard Swift (voice) (2 eps)
René Auberjonois
Desaad / General Steppenwolf / Minion (voice) (2 eps)
Jose Yenque
Copperhead (voice) (2 eps)
Brad Garrett
Lobo (voice) (2 eps)
William Atherton
Dr. Destiny / John Dee (voice) (2 eps)
Arleen Sorkin
Harley Quinn / Dr. Harleen Quinzel (voice) (2 eps)
Khary Payton
Ten (voice) (2 eps)
Greg Cipes
Jack (voice) (2 eps)
Scott Menville
King (voice) (2 eps)
Dan Castellaneta
Minister / Guard (voice) (2 eps)
Dorie Barton
Princess Audrey (voice) (2 eps)
Larry Drake
Colonel Vox (voice) (2 eps)
Charles Howerton
Armed Man (voice) (2 eps)
Kevin Michael Richardson
General Wells / Thanagarian Soldier / Diplomat (voice) (2 eps)
Peter Renaday
Councillor / Soldier (voice) (2 eps)
Kim Mai Guest
Katma Tui / Landlady (voice) (2 eps)
Stan Ridgway
Communications Officer (voice) (2 eps)
Keith David
Despero (voice) (2 eps)
Dennis Haysbert
Kilowog (voice) (2 eps)
Pepe Serna
Shifflet (voice) (2 eps)
Carlos Ferro
Radocko (voice) (2 eps)
Rob Zombie
Ichthultu (voice) (1 eps)
Diane Pershing
Poison Ivy / Dr. Pamela Isley (voice) (1 eps)
Ted McGinley
Burns (voice) (1 eps)
Lauren Tom
Chung / Kid (voice) (1 eps)
Ian James Corlett
Sarge / Captain / Soldier (voice) (1 eps)
Victor Williams
Snooty British Director / Lieutenant (voice) (1 eps)
Lukas Haas
Private (voice) (1 eps)
William Hootkins
Commander (voice) (1 eps)
Sean Donnellan
Technician (voice) (1 eps)
Bruce Timm
Soldier (voice) (1 eps)
Tom Kenny
Search Leader / Searcher (voice) (1 eps)
Fairuza Balk
Penny Dee (voice) (1 eps)
Peri Gilpin
Volcana / Claire Selton (voice) (1 eps)
Mark Rolston
Firefly / Garfield Lynns (voice) (1 eps)
Nicholas Guest
Luminus / Edward Lytener / Dr. Bill Brooks (voice) (1 eps)
Richard McGonagle
Warden / Rick (voice) (1 eps)
David Kaufman
Jimmy Olsen (voice) (1 eps)
John C. McGinley
Executive / Bookie (voice) (1 eps)
Hynden Walch
Ace (voice) (1 eps)
Alfred Molina
King Gustav (voice) (1 eps)
Ian Buchanan
Ultra-Humanite (voice) (1 eps)
Mike Farrell
Jonathan Kent / Store Owner (voice) (1 eps)
Shelley Fabares
Martha Kent (voice) (1 eps)
Kimberly Brooks
Mrs. Saunders / Woman (voice) (1 eps)
Robert Ito
Mr. Hama / Shopper (voice) (1 eps)
Steven Wash Jr.
Little Boy (voice) (1 eps)
Amber Hood
Little Girl (voice) (1 eps)
Larry Cedar
Radar Tech / Thanagarian Soldier (voice) (1 eps)
Javier Grajeda
Thanagarian Sentry (voice) (1 eps)
Michael Jai White
Doomsday (voice) (1 eps)
David Markus
Student / Cop (voice) (1 eps)